var fs = require('fs');

module.exports = {
    writefile:function(path,data,recall){    //异步方式
        fs.writeFile(path,  data,  function  (err)  {
            if  (err)  {
                throw  err;
            }
            console.log('It\'s  saved!');  //文件被保存
            recall('写文件成功');
          });
    },
    writeFileSync:function(path,data){  //同步方式
        fs.writeFileSync(path,  data);
        console.log("同步写文件完成");
    }
}